Head-Mounted Display Volume Indicator Using Reference Object
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Solution Overview
Problem
Users face difficulties in accurately filling containers with a target volume of substances without measuring cups, especially in situations where they are unavailable or impractical, such as filling large containers like bathtubs.
Innovation Solution
A head-mounted display system that captures images of a container and a reference object with known dimensions, allowing the system to determine the container's volume and provide a volume indicator, enabling users to fill the container accurately without the need for measuring cups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional measuring cups are used to measure volume, then measurement precision is improved, but device complexity and ease of operation deteriorate due to the need for additional tools
Solution Approach 1:
The head-mounted display system performs volume measurement automatically by capturing images of the container and reference object, processing the images to determine container dimensions, and providing visual indicators - all without requiring the user to manually measure or use separate measuring tools
Solution Approach 2:
The head-mounted display system integrates multiple functions including image capture, image processing, volume calculation, and visual indication provision into a single device, eliminating the need for separate measuring cups and making the measurement capability universally applicable to various container types
2Measurement precision
If measuring cups are used for volume measurement, then measurement precision is improved, but device complexity increases due to requiring additional measuring tools
Solution Approach 1:
The system merges the camera, processing unit, and display into an integrated head-mounted apparatus that combines image capture, computation, and visualization functions in one device, replacing multiple separate tools (measuring cups, containers, visual aids) with a single unified system
Solution Approach 2:
The system automatically performs all measurement operations including capturing container images, identifying reference objects, calculating dimensions, determining volume, and providing visual indicators - the system serves itself without requiring external measuring tools or complex user coordination of multiple devices
3Ease of operation
If visual indicators are provided through head-mounted display, then ease of operation is improved for visually impaired individuals, but device complexity increases
Solution Approach 1:
The system provides continuous visual feedback through the head-mounted display, showing volume indicators that update in real-time as the container is filled, allowing visually impaired individuals to receive actionable information about the filling process without requiring complex manual measurement procedures
Solution Approach 2:
The system automatically performs image capture, processing, and indicator generation without requiring the user to manually measure or interpret complex data - the system serves the user's measurement needs autonomously while providing accessible visual feedback
Data Source
AI summary
In order to aid a user in filling a container with a target volume of a substance, an image is received. The image includes a view of the container and a view of a reference object. The reference object has a known dimension. The view of the reference object and the view of the container are then compared with reference to the known dimension. Based on the comparison, a volume of the container is determined. Based on the volume of the container, a volume indicator is provided.